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Semin Perinatol. 2016 Apr;40(3):174-88. doi: 10.1053/j.semperi.2015.12.005. Epub 2016 Jan 14.

Hemodynamic instability in the critically ill neonate: An approach to cardiovascular support based on disease pathophysiology.

Author information

1
Division of Neonatology, The Hospital for Sick Children, 555 University Ave, Toronto, ON, Canada M5G 1X8; Department of Paediatrics, University of Toronto, Toronto, ON, Canada.
2
Division of Neonatology, The Hospital for Sick Children, 555 University Ave, Toronto, ON, Canada M5G 1X8; Department of Paediatrics, University of Toronto, Toronto, ON, Canada; Department of Physiology, University of Toronto, Toronto, ON, Canada. Electronic address: patrick.mcnamara@sickkids.ca.

Abstract

Hemodynamic disturbance in the sick neonate is common, highly diverse in underlying pathophysiology and dynamic. Dysregulated systemic and cerebral blood flow is hypothesized to have a negative impact on neurodevelopmental outcome and survival. An understanding of the physiology of the normal neonate, disease pathophysiology, and the properties of vasoactive medications may improve the quality of care and lead to an improvement in survival free from disability. In this review we present a modern approach to cardiovascular therapy in the sick neonate based on a more thoughtful approach to clinical assessment and actual pathophysiology. Targeted neonatal echocardiography offers a more detailed insight into disease processes and offers longitudinal assessment, particularly response to therapeutic intervention. The pathophysiology of common neonatal conditions and the properties of cardiovascular agents are described. In addition, we outline separate treatment algorithms for various hemodynamic disturbances that are tailored to clinical features, disease characteristics and echocardiographic findings.

KEYWORDS:

blood pressure; hypotension; inotrope; neonate; premature; targeted neonatal echocardiography; vasopressor

PMID:
26778235
DOI:
10.1053/j.semperi.2015.12.005
[Indexed for MEDLINE]

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